72results about How to "Achieve mutual separation" patented technology

The invention discloses a method for recycling tungsten, vanadium and titanium from SCR waste catalysts. The method comprises the following steps: after the SCR waste catalysts are cleaned, the SCR waste catalysts are smashed and screened, sodium carbonate is doped into the SCR waste catalysts to be evenly stirred, mixed powder is sintered at a high temperature to obtain a sintered material, water is added for leaching out, and a sodium salt mixed solution containing tungsten and vanadium is obtained; under the condition that the pH value of the solution is large than 12, tungsten is selectively extracted, and an ammonium salt solution is used for reverse extraction to obtain an ammonium tungstate solution; under the condition that the pH value of raffinate obtained after tungsten extraction ranges from 10 to 11.5, vanadium is extracted, and a sodium hydroxide solution is used for reverse extraction to obtain a sodium vanadate solution containing a small amount of tungsten; and titanium is left in leaching residues to obtain a rich-titanium material. According to the method, separation of tungsten and vanadium from impurities such as phosphorus, arsenic and silicon is achieved, and primary separation and efficient enrichment of tungsten, vanadium and titanium are achieved.

The invention relates to a rapid detection method for copper content in stainless steel, which comprises the steps of electrolyte preparation, developer preparation, electrolytic reaction and color developing comparison. The method provided by the invention has the advantages of simple operation, acute phenomenon, easy observation, accurate and reliable result and low identification cost, and is suitable for semi-quantitative detection of copper-containing steel under various environment conditions. According to the simple operation, the stainless steel with more than 1.0% of copper content can be rapidly detected, and method is different from the method for detecting common austenitic stainless steel and austenite antibiosis stainless steel, and can be used for on-site screening and detecting the copper-containing stainless steel.

The invention provides a method for separating tungsten and molybdenum from an ammonium tungstate solution having high molybdenum content. The method comprises the following steps: firstly, processingthe ammonium tungstate solution having the high molybdenum content by adopting evaporative crystallization to obtain tungsten-rich molybdenum-deficiency ammonium paratungstate crystals and molybdenum-rich tungsten-deficiency crystallizing mother liquid so that tungsten and molybdenum are primarily separated; then heating the molybdenum-deficiency ammonium paratungstate with ammonia water and performing airtight dissolution to obtain the ammonium tungstate solution with low molybdenum content; processing the ammonium tungstate solution through thio processing and preferentially adsorbing molybdenum by adopting an ionic exchange method so as to realize deep molybdenum removal of the ammonium tungstate solution to obtain a pure ammonium tungstate solution; preferentially extracting tungstenfrom the molybdenum-rich crystallizing mother liquid by adopting a synergistic extraction method so as to realize deep tungsten removal in an ammonium molybdate solution to obtain a pure ammonium molybdate solution. The method for processing the ammonium tungstate solution with the high molybdenum content provided by the invention has the characteristics of low cost, good separation effect and high added value of molybdenum products.

The invention discloses a resource calling method and a resource calling system in a media asset searching and browsing system, which are mainly applied in a media asset management system search program and are used for solving the problem of effective information processing in a media asset management system. In order to solve the problem, technical means of receiving a terminal network access command, performing resource partition and calling resources according to a partition result are adopted, so that the problem of effective information processing in the media asset management system is solved; processed information is partitioned into flow information type resources and static resource type resources; the flow information type resources are processed through an application server, the static resources are processed through a cluster system server, and errors can be identified and processed in the static resource processing process, so that mutual separation of dynamic edition information and static medium information is realized; dynamic edition information including catalogue information and edition text information is processed synchronously, and information sharing is realized effectively; and cluster management of static resources is effective, load balance among a plurality of servers is completed by establishing a cluster virtual address, and accurate positions of error resources can be identified and specified effectively in time under the condition of the occurrence of system error report of static data information.

The invention discloses a pimaric acid type resin acid product and a method for extracting the pimaric acid type resin acid product from torreya grandis aril. The method includes the following steps: residues obtained by extracting torreya grandis aril essential oil is used as raw material, and ethyl alcohol, methylbenzene or hexane is used as a solvent; reflux extraction is performed, and separation is performed for removing the solvent, so that a paste extract is obtained; the paste extract is dissolved in water, a sodium hydroxide aqueous solution or a potassium hydroxide aqueous solution is added for saponification, so that acids such resin acid and other esters are converted into water-soluble resin acid salts; the water-soluble resin acid salts are extracted by an organic solvent to enable the water-soluble resin acid salts to be separated from non-acid substances, resinate in the obtained aqueous solution is converted into free resin acid by hydrochloric acid or sulfuric acid, and the free resin acid is separated out from the solution, and the obtained free resin acid is subjected to column chromatography isolation and purification, so that a pimaric acid type resin acid mixture product is obtained. The main component of the product is pimaric acid type resin acid, and meanwhile, the product contains less secondary component abietic acid type resin acid.

The invention discloses an injection mold convenient for stable demoulding. The injection mold comprises a moving module and a fixed module, the moving module comprises a moving base, a supporting plate is welded to the moving base, a cavity is formed between the moving base and the supporting plate, an air pump is installed in the moving base, an air bag is connected to the output end of the airpump, a pressing plate is fixedly adhered to the air bag, two abutting rods are correspondingly welded to the pressing plate, springs are arranged on the two abutting rods in a sleeving mode, a sliding groove is formed in the inner wall of the cavity, and sliding blocks are correspondingly welded to the upper end and the lower end of the pressing plate. According to the injection mold, a water-cooling cavity is utilized to improve the cooling setting efficiency of a plastic part, and thus the waiting time of demoulding is shortened; the temperature in the injection mold is adjusted properly through the cooling effect, the temperature difference between the injection mold and the environment is advantageously reduced, and thus the air pressure adjustment in an injection module is achieved;and the air pump is utilized to inflate the air bag to achieve the horizontal movement of the abutting rods, thus the abutting rods push the forming plastic part, and the plastic part is separated from a moving mold stably.

The invention discloses a step type microfluidic droplet or bubble emulsification module. The module comprises an upper dispersed phase and continuous phase conveying pipeline, a middle droplet/bubbleemulsifying cavity and a lower micro droplet/bubble conveying channel. A plurality of disc-shaped stepped liquid drop/bubble emulsifiers are arranged in the liquid drop/bubble emulsifying cavity. A plurality of wedge-shaped divergent step channels are uniformly distributed at the edges of the disc-shaped emulsifiers in an annular array manner. In the droplet and bubble production process, conversion of the production working condition can be achieved only by switching of the module placement direction needs. The droplet/bubble emulsification module can effectively solve the problems that theactivation degree of part of channels in a stepped chip is not high after the number of the channels is increased, and downstream stepped channels are easily interfered by upstream generated droplets/bubbles in the emulsification process.

The invention discloses a method for separating iron and sulfur from titanium dioxide wastewater, and the method comprises the following steps: adding gypsum seed crystals, a gypsum shape adjusting agent and a ferric hydroxide stabilizer into the titanium dioxide wastewater, uniformly mixing, adding slow-release calcium hydroxide, and performing cyclonic separation to obtain titanium gypsum and asolution containing nano ferric hydroxide; filtering the titanium gypsum by pressing, and quickly burning the titanium gypsum to obtain a gypsum cementing material; and adding a coagulant into the solution containing the nano ferric hydroxide to obtain a ferric hydroxide precipitate, performing liquid-solid separating, adding a shaping agent into the ferric hydroxide precipitate, mixing uniformly,adding into an autoclave to crystallize to obtain ferric oxide red. The method has low production cost and high efficiency, and realizes high-quality recycling of resources.

The invention discloses a multifunctional aerated concrete curing table, and belongs to the technical field of aerated concrete production. A sliding assembly is arranged at the bottom end of the curing table, the curing table is composed of a plurality of placing plates, and a plurality of driving rollers are installed on the placing plates. The multifunctional aerated concrete curing table is scientific, reasonable, and safe and convenient to use. Power generated when the curing table slides in a curing tank is utilized to drive extrusion rollers to extrude extrusion plates, so that the extrusion plates extrude first extrusion air bags. Through the control of a control system, gas generated by the first extrusion air bags is selectively conveyed into corresponding second extrusion air bags, the driving rollers are driven to slightly rotate through the expansion of the second extrusion air bags, so that aerated concrete blocks on the placing plates are driven to move, and the mutual separation between every two aerated concrete blocks is achieved. Therefore, when the aerated concrete blocks are cured, each surface can be well cured, and the curing quality of the aerated concrete blocks is greatly improved.

The invention relates to a separation method of an electrolyte and a non-electrolyte. An anionic membrane is in tight contact with a cationic membrane to form a baffle plate with a downward gap opening so that a mixed solution separates out water through the anionic membrane and the cationic membrane, can be dissociated into an ionic compound material and flows out continuously along the gap opening, and thus water in a mixture of inorganic matters and organic matters containing water and dissolved in water and compounds capable of being dissociated into anions and cations in water are separated out through the anionic membrane and the cationic membrane at a contact interface of the anionic membrane and the cationic membrane with low cost. The separation method can be widely applied to sewage treatment, and processes of dewatering, concentrating, deacidifying, dealkalizing, desalinating and brine-desalinating in an industrial production process.

The invention discloses a connecting device. The connecting device comprises a first half shell and a second half shell, wherein the first and the second half shells can be mutually locked together in a detachable way to form a complete shell, a first elastic buckle is arranged at the first end of the shell formed by the first and the second half shells, and a first part is inserted from the first end of the shell and is locked and buckled with the first elastic buckle together; and furthermore, a second elastic buckle is arranged at the second end of the shell formed by the first and the second half shells, and a second part is inserted from the second end of the shell and is locked and buckled with the second elastic buckle together. Therefore, in the connecting device disclosed by the invention, the first and the second parts do not need to be aligned with the buckles on the first and the second half shells, and the mechanical connection between the first and the second parts can be realized by only respectively inserting the first and the second parts into the whole shell formed after locking, so that the operation is convenient.

The present invention provides an authentication method and apparatus. According to the authentication method and apparatus of the present invention, AAA (Authentication, Authorization and Accounting) authentication and SSL VPN (Secure Sockets Layer Virtual Private Network) short message authentication are separated from each other, so that the authentication method of the invention is different from a method in the prior art according to which SSL VPN short message authentication is dependent on AAA authentication. Compared with the prior art, the authentication method and apparatus of the present invention enable the SSL VPN short message authentication to naturally support the cooperation of any authentication modes.

The invention relates to a method for measuring the content of SBS in SBS modified asphalt. The method comprises the following steps: preparing a series of standard SBS content modified asphalts with different dosages of SBS series; using the standard SBS content modified asphalts to determine the content of SBS protection components in a special separating agent; preparing SBS modified asphalt sample sheets; placing SBS modified asphalt sheets to be tested in a special separation solvent for ultrasonic oscillation and dissolution at room temperature; filtering a sample solution with quantitative filter paper; drying and cooling a conical flask and then weighing; placing the filter paper and residues into an asphaltene extractor; using the SBS protection components for reflux extraction; drying and cooling the filter paper and the residues and then weighing; and calculating the content of SBS in the sample. The method provided by the invention hast the advantages of separating SBS and the asphalt by means of difference in solubility and distribution coefficient of the SBS and the asphalt in the same solvent, using the special separating agents different in component content for different kinds of asphalts and SBS modifiers, and obtaining accurate and reliable test results.

The embodiment of the invention provides a flight history rechecking method, device and equipment and a storage medium, and the method comprises the steps: building a flight path object and a flight object which are correspondingly correlated based on the obtained flight data, and correspondingly storing the flight path object and the flight object in a first container and a second container; filling the flight path points and the business data in the flight data into a data structure of a corresponding flight path object according to a time sequence; when a revoking instruction containing a revoking time point is received, matching a target flight path object from the first container, and matching a target flight object from the second container; and displaying the target flight path according to the flight path point corresponding to the target flight path object, and dynamically displaying the target flight object from the recovery time point according to the flight path point corresponding to the target flight path object and the business data. According to the embodiment of the invention, the flight history of the flight can be rechecked.

The invention discloses a convenient medium-sized railway station arrangement structure which comprises a first overhead layer (1) and a second overhead layer (2) which are arranged side by side; a through passenger flow channel (3) is formed among the first overhead layer (1), the second overhead layer (2) and the ground; a main station building (4) is arranged on the first overhead layer (1); a railway station yard (5) is arranged on the second overhead layer (2); and the passenger flow channel (3) is respectively perpendicular to the main station building (4) and the railway station yard (5). The convenient medium-sized railway station arrangement structure has the characteristics of being small in occupied space, convenient for passengers to transfer and convenient for transportation.

The invention discloses a tray. The tray is provided with a base. The base is provided with two pairs of opposite side edges. The base is further provided with a first connecting device and a second connecting device arranged on one pair of opposite side edges of the base. When two trays are mutually connected, the first connecting device of one tray is mutually connected with the second connecting device of the other tray. When the two trays are disconnected, only the side edges of the trays need to be operated. The trays provided by the invention are simple and convenient to connect and separate.

The invention relates to a special wrench for removing anchor bits, which comprises a handle (1), wherein one end of the handle is connected with a sleeve (2); and the special wrench is characterized in that one end of the sleeve is provided with a clamp hole matched with an anchor bit. The special wrench disclosed by the invention has the beneficial effects that the special wrench is not only simple in structure and convenient to operate, but also realizes the mutual separation of an anchor bit and a bit connecting sleeve, so that through separately replacing the anchor bit, the bit connecting sleeve can be reused, thereby greatly reducing the production cost and the resource consumption.

The invention relates to a light-emitting diode (LED) bulb lamp which comprises a radiator, a light source piece, a lens, an installation seat, a power supply and a lamp cap; one end of the power supply is fixedly arranged in the seat cavity of the installation seat, and the other end of the power supply extends into the cavity of the radiator, is suspended above the light source piece and is not contacted with the radiator. According to the LED bulb lamp, the damage to a light source and the power supply due to the thermal polymerization of the power supply and the light source is prevented, the separation and respective heat dissipation of the light source and the power supply are realized, and the service life of the light source and the power supply is greatly prolonged.

The invention belongs to the technical field of power distribution cabinets, and particularly relates to an anti-fire safety power distribution cabinet. In order to solve the problems that an existingpower distribution cabinet is poor in heat dissipation effect, cannot extinguish a fire automatically and cannot be separated from an external power supply quickly, the following scheme is provided,namely, the anti-fire safety power distribution cabinet comprises a cabinet body, a power distribution module is vertically arranged in the cabinet body, a heat dissipation block is vertically and fixedly connected to one side of the cabinet body, fan blades are arranged on the side, away from the power distribution module, of the center of the top of the heat dissipation block, the centers of thefan blades penetrate through the heat dissipation block through transmission rods, connecting rods are horizontally and rotationally connected to the two ends of the side, away from the fan blades, of the top of the heat dissipation block, belt wheels are fixedly connected to the outer walls of the ends, close to each other, of the transmission rods and the connecting rods, the belt wheels are intransmission connection through a connecting belt, a power assembly is installed at the top of the cabinet body, and lead screws are vertically installed at the bottoms of the ends, away from the heat dissipation blocks, of the connecting rods. The cabinet has the advantages of being capable of efficiently dissipating heat, automatically extinguishing fire in time and quickly realizing separationfrom a power supply.